Home / 219,115.50-328,673.28-71,371.50

Finding the Fourth Proportional to 219,115.50, 328,673.28 and 71,371.50

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Solution

The fourth proportional to 219,115.50, 328,673.28 and 71,371.50 is: 107,057.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,115.50 : 328,673.28 = 71,371.50 : x
  2. Step 2: Convert to fraction form
    219,115.50/328,673.28 = 71,371.50/x
  3. Step 3: Cross multiply
    219,115.50x = 328,673.28 × 71,371.50
  4. Step 4: Simplify right side
    219,115.50x = 23,457,905,003.52
  5. Step 5: Solve for x
    x = 23,457,905,003.52/219,115.50
  6. Step 6: Final answer
    x = 107,057.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.